"yw" meaning in Gallois

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallois",
      "orig": "gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en gallois incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du proto-celtique *iwos (« if »), du proto-indo-européen *h₁eyHw- (« if »).",
    "Apparenté au breton ivin, au cornique ywin, au vieil irlandais eó et au gaulois ivos « if »."
  ],
  "forms": [
    {
      "form": "ywen",
      "tags": [
        "singulative",
        "unmutated"
      ]
    },
    {
      "form": "hyw",
      "raw_tags": [
        "Prothèse h"
      ],
      "tags": [
        "collective"
      ]
    },
    {
      "form": "hywen",
      "raw_tags": [
        "Prothèse h"
      ],
      "tags": [
        "singulative"
      ]
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arbres en gallois",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en gallois",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ifs."
      ],
      "id": "fr-yw-cy-noun-ArW34EMu",
      "topics": [
        "botany"
      ]
    }
  ],
  "tags": [
    "collective"
  ],
  "word": "yw"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Gallois",
      "orig": "gallois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en gallois incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du proto-celtique *iwos (« if »), du proto-indo-européen *h₁eyHw- (« if »).",
    "Apparenté au breton ivin, au cornique ywin, au vieil irlandais eó et au gaulois ivos « if »."
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en gallois",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "est"
        }
      ],
      "glosses": [
        "Troisième personne du singulier du présent de bod : est."
      ],
      "id": "fr-yw-cy-verb-dr~PLp4y"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "yw"
}

{
  "categories": [
    "Noms communs en gallois",
    "gallois",
    "Étymologies en gallois incluant une reconstruction"
  ],
  "etymology_texts": [
    "Du proto-celtique *iwos (« if »), du proto-indo-européen *h₁eyHw- (« if »).",
    "Apparenté au breton ivin, au cornique ywin, au vieil irlandais eó et au gaulois ivos « if »."
  ],
  "forms": [
    {
      "form": "ywen",
      "tags": [
        "singulative",
        "unmutated"
      ]
    },
    {
      "form": "hyw",
      "raw_tags": [
        "Prothèse h"
      ],
      "tags": [
        "collective"
      ]
    },
    {
      "form": "hywen",
      "raw_tags": [
        "Prothèse h"
      ],
      "tags": [
        "singulative"
      ]
    }
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Arbres en gallois",
        "Wiktionnaire:Exemples manquants en gallois"
      ],
      "glosses": [
        "Ifs."
      ],
      "topics": [
        "botany"
      ]
    }
  ],
  "tags": [
    "collective"
  ],
  "word": "yw"
}

{
  "categories": [
    "Formes de verbes en gallois",
    "gallois",
    "Étymologies en gallois incluant une reconstruction"
  ],
  "etymology_texts": [
    "Du proto-celtique *iwos (« if »), du proto-indo-européen *h₁eyHw- (« if »).",
    "Apparenté au breton ivin, au cornique ywin, au vieil irlandais eó et au gaulois ivos « if »."
  ],
  "lang": "Gallois",
  "lang_code": "cy",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en gallois"
      ],
      "form_of": [
        {
          "word": "est"
        }
      ],
      "glosses": [
        "Troisième personne du singulier du présent de bod : est."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "yw"
}